mirror of
https://github.com/rbock/sqlpp11.git
synced 2024-11-16 04:47:18 +08:00
157 lines
3.6 KiB
C++
157 lines
3.6 KiB
C++
/*
|
|
* Copyright (c) 2014-2015 Roland Bock
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#if defined(__clang__)
|
|
#pragma clang diagnostic ignored "-Wunused-variable"
|
|
#endif
|
|
#if defined(__GNUC__)
|
|
#pragma GCC diagnostic ignored "-Wunused-variable"
|
|
#endif
|
|
|
|
#include "Sample.h"
|
|
#include "MockDb.h"
|
|
#include <sqlpp11/sqlpp11.h>
|
|
|
|
static constexpr bool some_condition = true;
|
|
static constexpr bool some_other_condition = false;
|
|
|
|
SQLPP_ALIAS_PROVIDER(cheesecake)
|
|
|
|
MockDb db;
|
|
|
|
test::TabPerson p;
|
|
test::TabFeature f;
|
|
|
|
int main()
|
|
{
|
|
for (const auto& row : db(select(all_of(p)).from(p).where(p.id > 7)))
|
|
{
|
|
int64_t id = row.id;
|
|
std::string name = row.name;
|
|
int64_t feature = row.feature;
|
|
}
|
|
|
|
|
|
#if 0
|
|
for (const auto& row : db(select(p.name).from(p).where(p.name.like("Herb%"))))
|
|
{
|
|
int64_t id = row.id;
|
|
std::string name = row.name;
|
|
int64_t feature = row.feature;
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
#if 0
|
|
for (const auto& row : db(select(p.name, f.name.as(cheesecake)).from(p,f).where(p.id > 7 and p.feature == 3)))
|
|
{
|
|
//int64_t id = row.id;
|
|
//std::string a = row.a;
|
|
std::string name = row.name;
|
|
std::string feature = row.cheesecake;
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
#if 0
|
|
for (const auto& row : db(select(multi_column(all_of(p)).as(p), multi_column(f.name, f.id).as(f)).from(p,f).where(true)))
|
|
{
|
|
//int64_t id = row.id;
|
|
//std::string a = row.a;
|
|
std::string name = row.tabPerson.name;
|
|
std::string name1 = row.tabFeature.name;
|
|
//int64_t feature = row.feature;
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
auto s = select(p.id, p.name, f.id.as(cheesecake))
|
|
.from(p, f)
|
|
.where(p.name == any(select(f.name)
|
|
.from(f)
|
|
.where(true)))
|
|
.group_by(f.name)
|
|
.having(p.name.like("%Bee%"))
|
|
.order_by(p.name.asc())
|
|
.limit(3).offset(7);
|
|
|
|
auto x = s.as(sqlpp::alias::x);
|
|
for (const auto& row : db(select(p.id, p.name, all_of(x).as(x))
|
|
.from(p.join(x).on(p.feature == x.cheesecake))
|
|
.where(true)))
|
|
{
|
|
int64_t id = row.id;
|
|
std::string name = row.name;
|
|
std::string x_name = row.x.name;
|
|
int cheesecake = row.x.cheesecake;
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
#if !0
|
|
auto dysel = dynamic_select(db).dynamic_columns(p.name).from(p).dynamic_where();
|
|
|
|
if (some_condition)
|
|
dysel.selected_columns.add(p.feature);
|
|
|
|
if (some_other_condition)
|
|
dysel.where.add(p.id > 17);
|
|
|
|
for (const auto& row : db(dysel))
|
|
{
|
|
std::string name = row.name;
|
|
std::string feature = row.at("feature");
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|